Answer:
scientific law
Explanation:
i think this is right
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please mark brainliest
Answer:
scientific law
Explanation:
I took the test got it right
Explain what traits you would give a pathogen if you wanted to make it hard for a vaccine to be used. List at least 4 things help please
Answer:
Here are four traits that would make it hard for a vaccine to be used:
1. Rapid mutation rate. If a pathogen mutates rapidly, it will be able to evade the immune system's defenses, including the antibodies produced by a vaccine. This is a particular problem with viruses, which can mutate very quickly.
2. Ability to evade the immune system. Some pathogens are able to evade the immune system by hiding inside cells or by changing their surface proteins so that they are no longer recognized by the immune system. This makes it difficult for the immune system to mount an effective response to the infection.
3. Ability to spread easily. If a pathogen is easily spread from person to person, it will be more difficult to prevent infection through vaccination. This is a particular problem with respiratory viruses, which can be spread through coughing and sneezing.
4. Lack of animal reservoirs. If a pathogen does not have animal reservoirs, it will be more difficult to develop a vaccine against it. This is because vaccines are typically developed using weakened or killed versions of the pathogen. If there are no animal reservoirs, there will be no source of the pathogen to use for vaccine development.
It is important to note that these are just a few of the traits that can make it difficult to develop a vaccine against a pathogen. There are many other factors that can contribute to the difficulty of vaccine development, such as the cost of vaccine development, the availability of funding, and the political will to support vaccine development.
how will ATP synthesis from glucose metabolism change in muscle cells deficient in triose phosphate isomerase
An amino acid's unique characteristics is defined by the ________.
Which of the following is not a passive transport process?
simple diffusion
osmosis
exocytosis
facilitated diffusion
What is the inverse of the statement?
A number that has exactly two distinct factors is prime.
If a number has exactly two distinct factors, then the number is prime.
If a number does not have exactly two distinct factors, then the number is not prime.
If a number is not prime, then the number does not have exactly two distinct factors.
If a number is prime, then the number has exactly two distinct factors.
Answer:
If a number does not have exactly two distinct factors, then the number is not prime.
Explanation:
In an inverse statement, both the hypothesis and conclusion are negated. So, "If A. then B" turns into "If not A, then not B."
If you the conditional is already negated, then you would turn it positive.
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An organisms particular role in the environment is known as its
Answer:
a niche
Explanation:
Answer: Niche
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Devin had a bucket of shredded metals. The metals consist of aluminum, steel, and copper. He tried sorting the mixture by running it through a filter, but this did not sort the mixture into separate components. Which of the following can Devin conclude? Select the two correct answers.
Using the activity series of metals can help Devin address his issue.
Is this an illustration of a chemical change*?Chemical reactions are seen as examples, such as freezing and boiling. Depending on how they define substance, this. Students who view ice as being distinct from liquid water are more likely to categorize ice melting as a chemical reaction.
What is chemical, for instance?A chemical is any substance whose composition is known. To put it another way, a chemical always consists of the same "substance." There are some substances in nature, like water. Various chemicals, including chlorine, are produced (used for bleaching fabrics or in swimming pools).
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Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
The concept that makes it legally right to reproduce a substantial portion of the works of another person with permission is Copyright. Option A
What is copyright all about?The concept of copyright grants the creator of an original work the sole rights to its use and distribution, usually for a limited time, with the intent of enabling the creator to receive compensation for their intellectual effort.
When someone else wishes to reproduce a substantial portion of those works, they must usually get permission from the copyright holder.
This permission can take the form of a license or contract that outlin the tems under which the work can be used.
The above answer is in response to the full question below;
Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
A. Copyright
B. Fair use
C. Freedom of information
D. Intellectual freedom
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What are membranes like the cell membrane allows some molecules to pass through a call
Membranes, like the cell membrane, are essential parts of cells because they serve as a barrier to control how chemicals enter and exit the cell.
Membranes are essential components of cells. They form a barrier between the interior of the cell and the outside environment and regulate the passage of molecules in and out of the cell. The cell membrane is a type of membrane that allows some molecules to pass through a cell. It is a selectively permeable membrane that allows only certain substances to pass through. The structure of the cell membrane is composed of a lipid bilayer, which consists of two layers of phospholipids. These phospholipids have a hydrophilic head and a hydrophobic tail. The hydrophilic head is attracted to water and the hydrophobic tail repels water. This arrangement allows the cell membrane to form a barrier that separates the inside of the cell from the outside environment. The cell membrane also contains proteins and other molecules that allow it to regulate the passage of molecules in and out of the cell. In summary, membranes such as the cell membrane are critical components of cells and act as a barrier to regulate the passage of molecules in and out of the cell.For more questions on Membranes
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How does human population growth and resource use impact biodiversity?
As human populations increase, the demand for resources such as food, water, and energy also increases.
What is biodiversity?Biodiversity refers to the variety of life on Earth, including the variety of species, ecosystems, and genetic diversity within species.
Human population growth and resource use have a significant impact on biodiversity. This leads to habitat destruction, pollution, and climate change, all of which have negative impacts on biodiversity.
Habitat destruction: As human populations grow, they need more land for agriculture, settlements, and infrastructure development. Pollution: Human activities such as industrialization and transportation produce pollutants that can harm biodiversity. Climate change: Human activities such as burning fossil fuels for energy production lead to the emission of greenhouse gases, which contribute to climate change.Thus, human population growth and resource use impact biodiversity by causing habitat destruction, pollution, and climate change.
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A couple is planning to start a family and is concerned about having a child with cystic fibrosis, an autosomal recessive disorder. Both the husband and wife are healthy (do not have cysticfibrosis), but each has a sibling with this disorder. Genetic testing shows that only the wife carries one copy of the cystic fibrosis allele. Should this couple worry about having a child withcystic fibrosis?A.Yes, since the wife can pass down the cystic fibrosis allele, their child can have cystic fibrosis.B.No, since the husband has no cystic fibrosis allele to pass dowm, their child will not have cystic fibrosisC.Yes, since both the husband and wife have siblings with this disorder, their child can have cystic fibrosis.D.No, since this disorder can be passed down only from father to offspring, their child will not have cystic fibrosis.
Cystic fibrosis is a genetic disease caused by the presence of two autosomal recessive alleles. It is a disease characterized by increasing the thickness of mucus, causing problems in the respiratory and digestive systems.
As it is a recessive disease, we need to understand that a recessive allele will only be expressed when there are two copies of the allele, that is:
• Dominant disease,: manifests when there are two dominant alleles (AA) or one dominant allele and one recessive allele (Aa)
,• Recessive disease,: manifests only when both recessive alleles (aa) are present.
Analyzing the exercise, it is possible to notice that in the couple's family, both individuals have cases of cystic fibrosis in the family, but none of them manifested it, so we deduce that the man and the woman have -at least- 1 dominant allele.
The examination showed that only the woman is a carrier of the recessive gene. Therefore, the couple's genotype is:
• Woman: Aa;
,• Man: AA.
Therefore, we can say that alternative "B" is the answer.
Describe at least three discoveries that help scientists understand humanity's role in the planet climate
Answer:
carbon emmision, cutting too many trees, polution
Explanation:
Answer:
carbon emmision, cutting too many trees, polution
Explanation:
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Please help me
Biotic. Abiotic
Grass
Table
Rocks
Butterfly
Mushroom
Clouds
Sand
Shark
Trees
Temperature
Answer:
Table = Abiotic
Rocks = Abiotic
Grass = biotic
Temperature = Abiotic
Clouds = Abiotic
Butterfly = Biotic
Sand = Abiotic
Shark = Biotic
Trees = Abiotic
Mushroom = biotic
Explanation:
Match each species to its story of overexploitation.
a. Dodo
b. Canadian cod
c. Rothschild's orchid
d. Whales
e. Passenger pigeon
1. Multiple species were almost wiped out, but are slowly recovering after a moratorium on hunting them.
2. Once the most populous species of its kind in North America, these were hunted to extinction by 1901.
3. When sailors stocked its island with pigs, the pigs destroyed this species' ability to reproduce.
4. This species was almost wiped out by collectors who prized its rarity.
5. Once a major resource in Canada, the population crashed in the 1990s. Recovery is slow because they cannot reproduce until age 7.
Answer:
Explanation:
Dodo- When sailors stocked its island with pigs, the pigs destroyed this species' ability to reproduce.
Canadian cod- Once a major resource in Canada, the population crashed in the 1900s. Recovery is slow because they cannot reproduce until age 7.
Rothschild's orchid-This species was almost wiped out by collectors who prized its rarity
Whales- Multiple species were almost wiped out, but are slowly recovering after a moratorium on hunting them.
Passenger pigeon- Once the most populous species of its kind in North America, these were hunted to extinction by 1901.
Overharvesting and using natural reservoirs including plants and animals, when their breeding rate is declining, is called overexploitation.
The correct matches are:
A. Dodo- Option 3. When sailors stocked its island with pigs, the pigs destroyed this species' ability to reproduce.
The influx of new animals in their territory and habitat destruction was the cause of the extirpation of the Dodo bird.B. Canadian cod- Option 5. Once a major resource in Canada, the population crashed in the 1900s. Recovery is slow because they cannot reproduce until age 7.
They are now threatened species because of overfishing. Their breeding rate is also slow making them endangered species.C. Rothschild's orchid - Option 4. This species was almost wiped out by collectors who prized its rarity.
The area in which the plant species thrives is now cleared and the plants are wiped out by collectors.D. Whales- Option 1. Multiple species were almost wiped out, but are slowly recovering after a moratorium on hunting them.
Pollution, contamination and over whaling has led this variety to the verge of endangerment.E. Passenger pigeon- Option 2. Once the most populous species of its kind in North America, these were hunted to extinction by 1901.
Their habitat loss and overexploitation for their meat are the main causes for which they went obsolete.To learn more about overexploitation follow the link:
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what is the name for an organized group of organisms
if jeff is walking 2 mph, how far will he be able to travel in 30 minutes
Which type of tax are Social Security tax and Medicare tax considered to be?
Answer:
Social Security tax and Medicare tax are considered to be payroll taxes, which are taxes that are withheld from an employee's paycheck by their employer. These taxes are used to fund Social Security and Medicare programs, which provide benefits to eligible individuals such as retirement income, disability insurance, and healthcare coverage.
Explanation:
The brain and spinal cord are part of the _______ nervous system. The electrical charges that act as nervous signals are called _______. Jellyfish do not have a brain. Instead their nervous system is called a _______. After nervous systems began to develop in bilaterally symmetric animals, some developed ventral, or front, nerve cords, while chordates developed _______ nerve cords. Skeletons that allow for movement by using muscles and squeezing liquid to change the body shape are called _______ skeletons. _______ do not grow with arthropods, and so occasionally must be shed and regrown from chitin. Muscles move endo- and exoskeletons by _______. _______ is the joining of two gametes called sperm and egg. A fish that lays her eggs in a cluster is initiating _______ fertilization. _______ are an adaptation by reptiles to allow for reproduction and embryo development on land. Describe three different strategies used by three different animals to thermoregulate. If you see a snake coiled up in a sunny patch of grass, what can you probably conclude about the type of thermoregulator it is. Why?
The brain and spinal cord are part of the central nervous system.
The electrical charges that act as nervous signals are called action potentials or nerve impulses.
Jellyfish do not have a brain. Instead, their nervous system is called a nerve net.
After nervous systems began to develop in bilaterally symmetric animals, some developed ventral nerve cords, while chordates developed dorsal nerve cords.
Skeletons that allow for movement by using muscles and squeezing liquid to change the body shape are called hydrostatic skeletons.
Exoskeletons do not grow with arthropods, and so occasionally must be shed and regrown from chitin.
Muscles move endo- and exoskeletons by contracting and relaxing.
Fertilization is the joining of two gametes called sperm and egg.
A fish that lays her eggs in a cluster is initiating cluster or mass fertilization.
Amniotic eggs are an adaptation by reptiles to allow for reproduction and embryo development on land.
Describe three different strategies used by three different animals to thermoregulate.
Elephants: Elephants thermoregulate by using their large ears as cooling devices. They flap their ears to increase surface area and enhance heat loss through evaporative cooling.Desert Lizards: Desert lizards employ behavioral thermoregulation by basking in the sun to absorb heat and warming their bodies. They also retreat to shade or burrows to avoid excessive heat when needed.Penguins: Penguins have a unique thermoregulation strategy. They huddle together in large groups to conserve body heat and shield themselves from the cold Antarctic winds, effectively reducing heat loss and maintaining body temperature.If you see a snake coiled up in a sunny patch of grass, what can you probably conclude about the type of thermoregulator it is. Why?
If you see a snake coiled up in a sunny patch of grass, you can probably conclude that the snake is an ectotherm. Ectotherms rely on external heat sources, such as the sun, to regulate their body temperature. By basking in the sun, the snake absorbs heat, which helps raise its body temperature to a suitable level for proper physiological functioning.
Answer:
1. central
2. action potential
3. nerve net
4. dorsal
5. hydrostatic
6. Exoskeletons
7. contraction/contracting
8. Fertilization
9. external fertilization
10. Eggs
11. Animals with fur thermoregulate by panting. Winged birds will flap against their mouths/heads to dissipate heat. Humans will produce sweat to evaporatively cool. Polar bears have developed blubber. Bears drop body temperatures during hibernation.
12. Seeing a snake using the warmth of the sun leads us to conclude that it is likely a thermo conformer that cannot produce its own body heat.
Which statement is true about the relationship between decomposers and biogeochemical cycles?
Decomposers are the only way living things can access carbon, nitrogen, and phosphorus.
Decomposers take atmospheric compounds and store them to maintain balance.
O Decomposers release carbon, nitrogen, and phosphorus back into the environment.
Decomposers store inorganic chemicals in the soil for long periods of time.
The statement that is true about the relationship between decomposers and biogeochemical cycles is that "Decomposers release carbon, nitrogen, and phosphorus back into the environment.
Decomposers are organisms that break down the remains of dead plants and animals. They are a vital component of the biogeochemical cycle since they break down organic matter and release nutrients into the soil.
Decomposers, such as bacteria and fungi, return carbon, nitrogen, and phosphorus to the environment as they decompose organic matter.Biogeochemical cycles are natural processes that enable nutrients and other chemical elements to circulate through the earth's biosphere, atmosphere, geosphere, and hydrosphere.
These cycles enable life on earth to survive by regulating the supply of nutrients and chemicals that are necessary for survival. There are numerous biogeochemical cycles, including the carbon cycle, nitrogen cycle, and phosphorus cycle.
To conclude, decomposers release carbon, nitrogen, and phosphorus back into the environment, which is true about the relationship between decomposers and biogeochemical cycles.
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. Mushroom is under............
i. Genus
ii. Donail
iii. Taxonomy
iv. Species
Answer:
Mushrooms are classified under the categories of "Genus" and "Species" in taxonomy. The genus refers to a group or category that includes closely related species, while the species represents a specific type or kind of organism. So, the correct options for mushrooms would be "i. Genus" and "iv. Species."
What time period did the first animals that could live in water and land?; In what period did the first animals on land appear?; What was one of the first creatures to move from water to land?
They were aquatic and had scales and fleshy fins. However, they also had lungs, which they used to breathe oxygen. Between 390 and 360 million years ago, the descendants of these organisms began to live in shallow waters and then moved onto land.
The first animals that walked on land were called quadrupeds. It is believed that the first quadrupeds walked in the parts of our planet where Scotland is now.
Fossils of four-legged animals were found at a place called Willie's Hole in Chirnside, Scotland. These fossils were thought to date from 360 million years ago, when vertebrates began to move from sea to land.
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Select all that apply.Factors that can increase mutation rates are _____.low temperatureshigh temperaturesUV raysfood additives
Factors that can increase mutation rates are UV rays.
The UV rays can penetrate into the cell nucleus, reaching the DNA. They affect the unions between thymines, and this can cause a modification of the DNA structure, therefore, mutation.
ģ
&
III
Which process has most likely occurred when new traits appear in a species?
O
selective breeding
genetic mutation
crossbreeding
O cloning
Heritable variations (genetic variation) between organisms are caused by new or altered features that are produced as a result of gene mutations.
Describe heredity.
The total of all biological processes through which certain traits are passed from one set of parents to the next is known as heredity.
When heritable differences in a population increase in frequency, either non-randomly through natural selection or randomly through genetic drift, evolution has taken place.
The genetic heritage which our biological parents have left behind is knowns to as heredity. That's why we resemble them. In deeper, it refers to the passing down of traits from one generation to the other. These characteristics can be behavioral or physical, such as eye color, blood type, or an illness. For instance, honeybees' hygienic behavior, which motivates them to remove unhealthy larvae from the nest, is a hereditary trait.
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Protist Review- Check all that apply
The statement that applies to Protist are;
Unicellular, Eukaryote, Movement, autotrophs, heterotrophs, asexual reproduction, sexual reproduction, beneficial, harmful, and Moist environments
What are Protists?Protists are an incredibly diverse group of organisms. They can be characterized by a range of traits.
Many protists are unicellular, but some can form colonies.
Protists are eukaryotes, meaning their cells contain a nucleus and other organelles.
protists are heterotrophs, obtaining their nutrition from organic substances.
Some protists, such as algae, are autotrophs and can produce their own food through photosynthesis.
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Which of the following best explains why what we know about cells is called a theory and not a law? (5 points) Select one: a. We do not have enough evidence yet to call cell theory a law. b. We have not reviewed cell behavior enough yet to call it a law. c. Cell theory is still changing but may eventually become a law. d. Cell theory explains cell behavior where a law would describe it.
Answer:
The correct answer should be A) Cell theory explains cell behavior where a law would describe it
Explanation:
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Which best explains why water quality standards have been created to ensure heavy metals in water are kept to a minimum?
O A. Heavy metals are linked to toxicities in humans and large amounts of heavy metals should not be consumed.
OB. Heavy metals can stain ceramic surfaces in homes and cost the homeowners hundreds in repairs.
OC. Heavy metals can cause discoloration of water and can cause a strong unpleasant odor.
O D. Heavy metals can corrode pipes and cause problems with internal plumbing.
its OB because if you read it says it praticly
Heavy metals are harmful and should not be consumed in large amounts. Therefore, option (A) is correct.
What are harmful effects of heavy metal in water?The flow of groundwater and surface water, as well as seepage and runoff from the surface, can introduce heavy metals into private wells. People who consume significant quantities of heavy metals put themselves at risk for acute and chronic toxicity, as well as anemia, cancer, and damage to their liver, kidneys, and intestines.
Heavy metals in water are usually treated using methods like chemical precipitation, flotation, adsorption, ion exchange, and electrochemical deposition. Most of the time, heavy metals are taken out of inorganic effluent by a process called chemical precipitation.
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What is the rate of rainforest deforestation?
Answer:
Deforestation of the Amazon rainforest in Brazil has hit a six-year high, the national space agency, Inpe, reports.
Some 3,988 square kilometres (1,540 square miles) of land were cleared in the region between January and June.
Last year, 3,088 square kilometres of the rainforest were destroyed during the same period.
The Amazon plays an essential role in the planet's oxygen and carbon dioxide cycles, absorbing vast amounts of greenhouse gases from the atmosphere.
Environmentalists blame the increasing levels of deforestation on Brazil's right-wing president, Jair Bolsonaro, who has rolled back environmental protections.
Brazil's environment ministry said it had been forceful in fighting environmental crimes, although in a statement it failed to mention the spike in deforestation.
Kepler's second law using Mercury , which has an orbital period of about 0.24 and a semimajor axis of about 0.387 . Explain your findings .
As the semimajor axis of a planet increase, the orbital period will decrease and the speed of the planet will decrease.
What is Kepler's second law?Kepler's second law of planetary motion describes the speed of a planet traveling in an elliptical orbit around the Sun.
This law exaplains the speed of planets around the sun, the speed of the planet increases as it nears the sun and decreases as it recedes from the sun.
From the findings, the astronomical unit of the Mercury is 0.387 and the orbital period is 0.24 year.
\(T \propto a^{3/2}\)
\(T = ka^{3/2}\\\\k = \frac{T}{a^{3/2}}\)
From the equation above, as the semimajor axis of a planet increase, the orbital period will decrease and the speed of the planet will decrease.
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What are some examples of endangered species
Answer:
Black Rhino/Amur Leopard/Bornean Orangutan/Cross River Gorilla
Explanation: